The cause of neuronal death in Parkinson's disease is still unknown, but a new study proposes that neurons may be mistaken for foreign invaders and killed by the person's own immune system, similar to the way autoimmune diseases like type I diabetes, celiac disease, and multiple sclerosis attack the body's cells.hese two types of neuronsâone of which is dopamine neurons in a brain region called the substantia nigraâdegenerate during Parkinson's disease. To see if living neurons use MHC-1 to display antigens (and not for some other purpose), Drs.
In Polish the meaning of the name Jack is: God is gracious. English Meaning: The name Jack is an English baby name. In English the meaning of the name Jack is: God is gracious. During the Middle Ages, Jack was so common that it was used as a general term for 'man' or 'boy'.Famous Bearer: American actor Jack Lemmon.he name Jack is an American baby name. In American the meaning of the name Jack is: Henry VI, Part 2' Jack Cade, a rebel. Hebrew Meaning: The name Jack is a Hebrew baby name. In Hebrew the meaning of the name Jack is: Supplanter.
Jack is also a Dutch and English diminutive form of the name Jacob (Dutch, English, German, and Scandinavian). Jack is also an English diminutive form of the name John (English and Hebrew). The name Jack is used to a great extent; it has 28 variants that are used in English and other languages. Variants used in English include Jaac, Jaak, Jacke, Jackee, Jackey, Jackman, Jacko, Jackub, Jacq, Jacqin, Jak, Jake, Jakk, Jaq, Jax, Jocko, and Siaki.